Spectrum: the Mode menu disappears after the device is changed from portrait to landscape.

To reproduce:
1. Start fluidlauncher
2. Start Spectrum in fluidlauncher
3. Press Mode button to get the Mode menu displayed and Mode button highlighted.
4. Rotate the device from portrait to landscape.

Expected: Mode menu is still displayed after device rotation.
Actual: Mode menu disappears, but the Mode button is still highlighted.